Calltel H550 Stereo-Ear Noise-Cancelling Headset

The Calltel H550 Stereo-Ear Noise-Cancelling Headset with the UC2000T Quick Disconnect USB Sound Card Adapter Cable is a great option for a full day at the office. It features a noise-cancelling microphone and thanks to the included adapter cable, you can pause, start or adjust the volume for ease of use and convenience. It features an ergonomic comfortable design with adjustable headband that allows you to wear it for a long time, making it perfect for all day working ...hours. For extra safety it features acoustic shock protection which limits the acoustics. The earpiece itself features a soft leatherette ear pad which can be replaced if needed. FEATURES:
Noise-cancelling microphone
Acoustic Shock Protection*Adjustable headband
Replaceable soft leatherette earpad
Quick disconnecting (QD) connector, protecting the headset and Phone/PC
Plug ‘n’ Play
Volume & Mute control
Optimized for Microsoft Lync, skype, office 365, United Communication (Cisco & Avaya)
SPECIFICATIONS:
Microphone: Permanently polarized condenser microphone
Impedance: 1.0K?
Work Frequency :70 ~ 10k Hz
Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB)(RL = 2.2K Vs = 3.0V)
Current consumption@ 2.2V (?A): < 300
Current consumption: 800?A
Receiver:
Impedance: 300? ± 10?
Output sound pressure: 105dB ± 5dB
Work Frequency: 20~ 20k Hz
Max Input Power: 20mw
Interface: USB What’s in the box
1 x Calltel H550 Stereo-Ear Noise-Cancelling Headset – Black
1 x UC2000T Quick Disconnect USB Sound Card Adapter Cable